Horseshoe-calk.



Patented May 13, m2.

J. E. CUNNINGHAM.

HORSESHDE CALK.

(Application filed Feb. 21, 1902.)

(No Model.)

J5 Caxr/z/irkd/fz 9%. by v UNTTED STATES PATENT OFFICE.

JOHN E. CUNNINGHAM, OF ST. ALBANS, VEST VIRGINIA.

HORSESHOE-CALK.

SPECIFICATION forming part of Letters Patent N0. 699,836, dated. may 13, 1902.

Application filed February 21, 1902. Serial No. 95,125. No model.)

To all whom it may concern:

Be it known that 1, JOHN E. CUNNINGHAM, a citizen of the United States, residing at St. Albans, in the count-y of Kanawha and State of est Virginia, have invented a new and useful HorseshoeOalk, of which the following is a specification.

This invention relates to t oe-calks for horseshoes, and particularly to that class that are attachable to and detachable from the shoe.

The object of the invention is to provide a toe-calk which may without necessitating any change in the structural arrangement of the shoe be readily secured thereto and which when once positioned will be firmly held in place against possibility of accidental separation.

' WVith these and other objects in view, as will appear as the nature of the invention is better understood, the same consists in the novel construction and combination of parts of a horseshoe-calk, as will be hereinafter fully described and claimed.

In the accompanying drawings, forming a part of this. specification, and in which like numerals of referenceindicate corresponding parts, there is illustrated one form of embodiment of the invention capable of carrying the same into practical operation, it being understood that the elements therein exhibited may be varied or changed as to shape, proportion, and exact manner of assemblage without departing from the spirit thereof, and in these drawings- Figure 1 is a view in perspective of a horseshoe to which is secured the toe-calk of the present invention, the position of the shoe being inverted. Fig. 2 is aview in longitudinal section through a horseshoe equipped with the toe-calk. Fig. 3 is a perspective detail View of the calk detached from the shoe and in inverted position. Fig. 4 is a perspective detail View of a locking-key used for securing the calk in position upon the shoe. Fig. 5 is a similar View of a bolt which coacts with the call: and with the key to hold the parts in position upon the shoe.

Referring to the drawings, 1 designates the horseshoe, which may be of the usual or any preferred construction, and therefore needs no detailed description.

The calk 2, which constitutes the gist of the present invention, comprisesa pair of lugs 3, suitably spaced apart and curved on their inner faces to engage the outer edge of the toe portion of the shoe, asclearly shown in Fig. 3, aplate 4, and a calk 5, the calk to be of any usual or preferred construction and all the parts to be integral, thus to present a rigid structure. The plate 4 has its rear portion bent upward to lie Within the plane of the shoe and is provided with an oblong opening 6, the rear wall of which is rounded, as at 7, to be engaged by a recess 8, formed in a bolt 9, the upper forward portion of which is inclined toward the toe of the shoe, as shown at 10, to present a shoul der for engaging the inner wall of the toe portion of the shoe, which latter inshoes of the usual construction is beveled in the manner shown, and in the event of its not being beveled to the desired degree this may be readily accomplished before the shoe is placed on the animal by being filedaway. The bolt is provided on its lower outer face with a transverse recess 11, preferably semicircularin elevation, which is engaged by one edge of a locking-key 12, the other edge of which engages a recess 13, formed at the point of juncture of the calk with the plate 4, the recess 13 being preferably angular, as shown, although it may be otherwise shaped, if found necessary or desirable. It is preferred that the recess 11 of the bolt be placed close to the upper end thereof, so that when the key is seated it will lie practically flush with the upper side thereof, and in order that the key may be firmly seated and also be held against any tendency to working loose it is made concavo-convex in cross-section, as shown in Fig. 2, the convexside ofthe key being in this instance disposed downward, and when the key isseated the smaller end is turned down over the side of the plate 4, as shown at 14 in Fig. 1. When the key is firmly seated, the locking-face of the bolt and the inner faces of the lugs 3 will be forced so tightly against the horseshoe as to hold the calk positively against working loose, and even should the calk work slightly loose disconnection from the shoe would berendered impossible by reason of the downturned end 14 of the locking-key. Should it bedesired to remove the calk from the'shoe, itwill only be necessary to force up the downturned end of the key and then drive it from its seat.

plate disposed below the under surface of the I that, if preferred, only one may be employed;

shoe. This isa very important point and one that renders the device of the present invention of high utility'in use.

While the calk is herein described as being provided with two lugs 33, it will be obvious but as a rule it will be preferred to employ two, as shown, for the reason that the 0pposed walls of the recess between the. two lugs tend to bite into the metal of the shoe, and thus hold the'same from lateral shifting. Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is 1 1. A shoe-calk providedwith lugs for engaging the outer Wall of the toe portion of the shoe, and with a rearward-extending plate having an orifice therein, a bolt having a groove to engage the rear wall of theorifice and provided with a shoulder to engage the inner wall of the toe portion of the shoe, and

a locking-key engaging the calk and the bolt, substantially as described.

2. A shoe-call: provided with curved lugs for engaging the outer wall of the toe portion of the shoe and with a rearward upward extending plate having an orifice therein, a bolt having a groove to engage the rear wall of the orifice and provided with a shoulder to engage the inner wall of the toe portion of the shoe, and a transversely disposed, wedgeshaped locking-key adapted to engage with the calk and the bolt and to have one end downturn ed to lock it against accidental separation, substantially as described.

3. A shoe oalk provided with a pair of curved lugs to engage with the toe portion of the shoe and with a rearward upward extending plate having an orifice therein, the rear wall of which is disposed in alincment with the under side of the shoe, a bolt having a groove to engage the said rear wall, and an angular shoulder to engage with the shoe, and a transversely-curved locking-wedge adapted to engage seats formed respectively in the bolt and in the calk, substantially as described.

In testimony that I claim the foregoing as my own I have hereto afiixed my signatu rein the presence of two witnesses.

JOHN E. CUNNINGHAM.

YVitnesses:

NORA GRAY, I. L. WILSON. 

